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Re: [TRNSYS-users] questions about Trnflow

Hi,
I experienced exactly the same error when I tried to run the TRNFlow example that is distributed with TRNSYS 17. The problem was that the "simple" Type56 was used there instead of Type56-TRNFlow. Replacing this Type (-> \Loads and Structures\Multi-Zone Building with Air Flow (TRNFLow)) solved the problem in my case. Are you sure you employed the appropriate Type?

Best regards
Angela

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Graz University of Technology
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Am 17.08.2010 12:51, schrieb 王洋:

Dear all,

  I have set up a very simple zone only including one airlink--Large Opening. But I run it, the list file shows Parameters for TRNFlow are missing. Please, check defined parameters! I only define one Opening with Daily Schedule, and I set up one Daily Schedule using Type 14, meanwhile, I define a Output NTYPEs 207 and link Type 65 with Type 56, I want to observe Output NTYPEs 207(total outdoor air flow into airnode). Only these, but the list file shows Parameters for TRNFlow are missing. Please, check defined parameters! I don't know what other Parameters are lack, if list file can tell what are missing, that's better. Do you think how to find missing Parameters ? Which Parameters are easy to be misses? Indeed I can not find them.

Thanks!
Br.

wang

ps.:the listing file shows:

  TRNFLOW (2003-06-04) based on COMIS 3.1
  Copyright (C) 2001   EMPA

  -------------------------------------------------------
  Note: as soon as TRNFLOW is switched on, all couplings
  between zones which are not in the air flow network and
  those included in the network are reset to zero!
  -------------------------------------------------------
  No SET-file; using defaults

  *******************************
  Reading Input File            *
  *******************************


  *******************************
  Checking HVAC T-Junction data *
  *******************************


  *******************************
  Looking for RF components     *
  *******************************



*** Notice at time        :         0.000000
     Generated by Unit     :    56
     Generated by Type     :    56
     Message               : Star network calculation: every iteration step of TRNSYS


*** Fatal Error at time   :         0.000000
     Generated by Unit     :    56
     Generated by Type     :    56
     Message               : Parameters for TRNFlow are missing. Please, check defined parameters!


*** An error has forced TRNSYS to abort